So perlite's been around for a long time.

所以珍珠岩已经存在很长时间了。

So perlite doesn't hold that much water.

珍珠岩无法容纳这多水。

That's why we use things like vermiculite in addition to perlite in our mixes.

这就是为们在还会珍珠岩中混入蛭石等材料的原因。

You can plant rosemary in a container with soil that is about 25 percent sand, perlite or vermiculite.

以将迷迭香种植在容器中，容器中的土壤含有约25%的沙子、珍珠岩蛭石。

So if you're looking for water holding capacity, perlite probably isn't the thing.

因此，如果需要蓄水功能的话，珍珠岩不在话下。

So, perlite is not a renewable resource.

而珍珠岩不是再生资源。

If you're doing hydroponic production, you can take perlite, and you can reuse it several times.

如果正在育，以用珍珠岩，而且以反复使用几次。

So the pros of perlite are that it's lightweight, so it's very, very easy to handle, to use.

珍珠岩的优点是重量轻，所以处理和使用起来很方便。

Yeah, so, with the dust from perlite, you have to be kind of careful.

因此对于珍珠岩的灰尘，必须要小心处理。

A good recipe is half 'n half mix of high quality potting soil with perlite.

一个好的配方是优质盆栽土与珍珠岩的一半混合。

So if you're an aquaponic producer, you should not, you cannot be using perlite in your system.

因此，如果是鱼菜共生生产商，那就不能使用珍珠岩。

It helps keep the perlite from floating away, as well as keep moisture from the base of the plant.

它有助于防止珍珠岩漂浮，并保持植物基部的水分。

That's one of the reasons why, when we use it as a hydroponic medium, we like to irrigate it constantly, so we're always dripping water through that perlite to make sure that there's water being supplied to the plant roots.

这就是为当们使用它作为水培介质时，们喜欢不断地灌溉它， 这样们以通过珍珠岩确保有水供应到植物根部。

Now most of these farms are hydroponic or aeroponic systems, which means that instead of using soil, they use a substitute material like polyurethane sponges, biodegradable peat moss and even use inorganic materials like perlite and clay pellets.

现在这些农场大多采用水培气培系统，这意味着它们不使用土壤， 而是使用替代材料，如聚氨酯海绵、生物降解的泥炭藓， 甚至使用无机材料如珍珠岩和陶粒。